Do whatever you enjoy most. IF you want to do 5x5 one day a week with your area of weakness thats cool just remember to try to adjust resistance ie body angle so you can do the 5 while staying 1-2 under failure.

There actually is a method to the madness
The key thing to remember is "strength before strength endurance" after you have strength then you can move into more metcon but primary concern is gaining the strength to be able to do all the fundamental movements with proper form and full ROM.

Thing I don't like about doing bodyrows when you're subbing for large numbers of pullups is the amount of TIME they take. I mean, it takes a while to make 3 round trips, and al those reps add up quick.